Open Access
Proceedings of SPIE - The International Society for Optical Engineering
Low-cost SWIR sensors: advancing the performance of ROIC-integrated colloidal quantum dot photodiode arrays
Ethan J. D. Klem
1
,
Jay Lewis
1
,
Chris Gregory
1
,
Dorota Temple
1
,
Priyalal S. Wijewarnasuriya
2
,
Nibir Dhar
3
1
RTI International, United States
|
2
U.S. Army Research Lab (United States)
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3
U.S. Army Night Vision & Electronic Sensors Directorate (United States)
|
Publication type: Proceedings Article
Publication date: 2014-06-24
Quartile SCImago
— Quartile WOS
—
Impact factor: —
ISSN: 0277786X, 1996756X
Abstract
RTI has developed a novel photodiode technology based on solution-processed PbS colloidal quantum dots (CQD) capable of providing low-cost, high performance detection across the Vis-SWIR spectral range. The most significant advantages of the CQD technology are ease of fabrication, small pixel size, and extended wavelength range. The devices are fabricated directly onto the ROIC substrate at low temperatures compatible with CMOS, and arrays can be fabricated at wafer scale. We will discuss recent advances in device architecture and processing that result in measured dark currents of 15 nA/cm 2 at room temperature and enhanced SWIR responsivity from the UV to ~1.7 μm, compare these results to InGaAs detectors, and present measurements of the CQD detectors temperature dependent dark current.
Top-30
Citations by journals
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1
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Doklady Physics
1 publication, 50%
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Russian Chemical Reviews
1 publication, 50%
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1
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Citations by publishers
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1
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Pleiades Publishing
1 publication, 50%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 50%
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1
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Klem E. J. D. et al. Low-cost SWIR sensors: advancing the performance of ROIC-integrated colloidal quantum dot photodiode arrays // Proceedings of SPIE - The International Society for Optical Engineering. 2014.
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Klem E. J. D., Lewis J., Gregory C., Temple D., Wijewarnasuriya P. S., Dhar N. Low-cost SWIR sensors: advancing the performance of ROIC-integrated colloidal quantum dot photodiode arrays // Proceedings of SPIE - The International Society for Optical Engineering. 2014.
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TY - CPAPER
DO - 10.1117/12.2054215
UR - https://doi.org/10.1117/12.2054215
TI - Low-cost SWIR sensors: advancing the performance of ROIC-integrated colloidal quantum dot photodiode arrays
T2 - Proceedings of SPIE - The International Society for Optical Engineering
AU - Klem, Ethan J. D.
AU - Lewis, Jay
AU - Gregory, Chris
AU - Temple, Dorota
AU - Wijewarnasuriya, Priyalal S.
AU - Dhar, Nibir
PY - 2014
DA - 2014/06/24 00:00:00
PB - SPIE
SN - 0277-786X
SN - 1996-756X
ER -
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@inproceedings{2014_Klem,
author = {Ethan J. D. Klem and Jay Lewis and Chris Gregory and Dorota Temple and Priyalal S. Wijewarnasuriya and Nibir Dhar},
title = {Low-cost SWIR sensors: advancing the performance of ROIC-integrated colloidal quantum dot photodiode arrays},
year = {2014},
month = {jun},
publisher = {SPIE}
}